Nowafer abien mprɛte nhwehwɛmu valvenso yɛ check valve bi a ɛwɔ rotary actuation, nanso ɛyɛ double disc na ɛto mu wɔ spring adeyɛ ase. Wɔde nsu a efi ase kɔ soro pia diski no bue, valve no wɔ nhyehyɛe a ɛnyɛ den, wɔde krampɔn no si flanges abien ntam, na ne kɛse ne ne mu duru a ɛyɛ hare no sua.
Nowafer abien mprɛte nhwehwɛmu valvewɔ diski abien a ɛte sɛ D a spring ayɛ mu ma a wɔde ahyɛ ribbed shaft so wɔ valve bore no so. Saa nhyehyɛe yi ma kwan a diski no mfinimfini a ɛtwe ade ba fam no tu no yɛ tiaa. Saa adansi yi nso ma diski no mu duru so tew 50% sɛ wɔde toto diski biako a ɛdannan check valve a ne kɛse yɛ pɛ ho a. Esiane spring load no nti, valve no yɛ n’ade ntɛmntɛm yiye wɔ backflow ho.
Wafer dual plate check valve no double-lobe lightweight adansi no ma nkongua sealing ne dwumadie yɛ yie.
Asa tenten ahohuru bere mu adeyɛ a ntontom abien no yɛcheck valve noma diski no bue na ɛto mu a ɛnsɛe nkongua no, na spring no yɛ adwuma wɔ ne ho de to diski no mu (DN150 ne nea ɛboro saa).
Hinge support sleeve a ɛwɔ ntontom a ɛwɔ anim abien nocheck valve noɛtew akasakasa so na ɛtew nsu hama so bere a wɔatwa denam diski a ɛyɛ soronko (bore kɛse) so no.
Sɛ wɔde toto nea wɔtaa yɛ ho aswing check valve ahorow a wɔde hwɛ nneɛma so,wafer abien mprɛte nhwehwɛmu valvempɛn pii no adansi yɛ nea emu yɛ den, emu yɛ hare, ɛyɛ ketewaa, etu mpɔn, na ne bo nyɛ den. Saa valve yi du gyinapɛn a ɛwɔ API 594 mu, wɔ diameters dodow no ara ho no, anim-ne-anim kɛse a ɛwɔ saa valve yi mu no yɛ 1/4 pɛ wɔ valve a wɔtaa de di dwuma no mu, na emu duru yɛ 15%~20% wɔ valve a wɔtaa de di dwuma no mu, enti ɛsan nso bo yɛ mmerɛw sen swing check valve no. Ɛnyɛ den nso sɛ wɔde besisi gasket a wɔahyɛ da ayɛ ne paipu flanges ntam. Esiane sɛ ɛnyɛ den sɛ wobedi ho dwuma na ɛhwehwɛ sɛ wɔde flange connection bolts biako pɛ na ɛyɛ nti, ɛsan nso sie nneɛma a ɛwom bere a wɔde rehyɛ mu no, na ɛmma wontua ɛka a wɔbɔ wɔ instɔlehyɛn ne da biara da nsiesie ho ka so.
Butterfly check valve a ɛwɔ flap abien no nso wɔ adansi mu nneɛma titiriw a ɛma saa valve yi yɛ check valve a ɛyɛ adwuma yiye a enni nkɛntɛnso biara. Saa nneɛma yi bi ne bue a ɛho tew, ahohuru bere mu adansi a ɛde ne ho ma bore valve dodow no ara, ne disc support nhyehyɛe ahorow a ɛde ne ho. Saa nneɛma yi bi nni hɔ wɔ check valve ahorow ho. Wobetumi nso ayɛ wafer dual plate check valve no ne lugs, flanges abien ne nipadua a wɔatrɛw mu.
Nea edi kan no, ɔkwan a wɔfa so bue ano ne nea wɔde wie
Disk abien adansi no wɔ diski abien a spring-loaded (semi-discs) a wɔde asɛn hinged pin a ɛda hɔ gyina hɔ wɔ mfinimfini no so. Sɛ nsu no fi ase sen a, diski no bue a tumi a efi mu ba (F) a ɛyɛ adwuma wɔ nsɔano no mfinimfini. Wɔde spring support force (FS) a ɛko tia no di dwuma wɔ beae bi a ɛnyɛ diski no anim mfinimfini, na ɛma diski ntini no di kan bue. Eyi kwati akasakasa a ɛba wɔ nsɔano no so a ɛba bere a wobue diski no wɔ valve dedaw a wɔtaa de di dwuma mu no, na eyi nneɛma a ɛka bom no nsɛe.
Sɛ nsu a ɛsen no brɛ ase a, torsion spring no ankasa yɛ n’ade, na ɛma diski no to mu na ɛbɛn nipadua no nkongua no, na ɛtew akwantu kwan ne bere a wɔde to mu no so. Sɛ nsu no sen kɔ akyi a, diski no de nkakrankakra bɛn nipadua no nkongua no, na sɛnea valve no yɛ adwuma denneennen no yɛ ntɛmntɛm kɛse, na ɛtew nsu hama no nkɛntɛnso so na ɛma ɛyɛ adwuma a ɛnyɛ nea ɛbɛbɔ.
Sɛ wɔreto mu a, spring ahoɔden adeyɛ beae no dwumadi ma diski no atifi di kan to mu, na esiw ka ne apereperedi ano wɔ diski no ntini mu, sɛnea ɛbɛyɛ a valve no betumi akura nsɔano no mudi mu kura mu bere tenten.
2. Ahohuru bere mu nhyehyɛe a ɛde ne ho
Spring adansi (DN150 ne nea ɛboro saa) ma kwan ma wɔde torque kɛse di dwuma wɔ diski biara so na diski no to mu wɔ ne ho bere a mfiridwuma mu nsu a ɛsen no sesa no. Nsɔhwɛ ahorow ada no adi sɛ saa nkɛntɛnso yi ama valve nkwa nna akɔ soro 25% na nsu hama so atew 50%.
Disk abien no fã biara wɔ n’ankasa nsuten a ɛma tumi a ɛde toto mu a ɛde ne ho na wɔde ahinanan a ɛyɛ ketewaa bi a ɛyɛ 140° (mfonini 3) hyɛ ase sen sɛ ɛbɛyɛ 350° a ɛwɔ spring a wɔtaa de di dwuma a ɛwɔ nkahyemde abien mu.
3. Independent disc suspension nhyehyɛe
Hinge nhyehyɛe a ɛde ne ho no brɛ friction ase 66%, na ɛma valve no reactivity tu mpɔn kɛse. Wɔde nsateaa a ɛboa no fi abɔnten hinge no mu hyɛ mu sɛnea ɛbɛyɛ a nsateaa a ɛwɔ fam no betumi aboa soro hinge no wɔ ahofadi mu bere a valve no reyɛ adwuma no. Eyi ma diski abien no nyinaa yɛ wɔn ade ntɛmntɛm na ɛto mu bere koro mu, na ɛma wonya ahoɔden a ɛkyɛn so.
Nea ɛto so anan, nkitahodi mode ne pipeline
Wafer abien mprɛte nhwehwɛmu valvesna wobetumi de krampɔn, lugs, flanges, ne clamps abɔ paipu mu.
Wubetumi akliki yɛn wɛbsaet no so na woanya nsɛm piiButterfly Valve, Nsuo a ɛsen a TWS Valve (tws-valve.com) na ɛhwɛ so
Bere a wɔde bɛkyerɛw: Oct-24-2024
